they're often called the boston mafia or the kennedy mafia or whatever. they were very left-leaning generally, deep into democratic politics. but in a cabinet, he was surrounding himself with a remarkably centrist range of people. john mccone, director of central intelligence. robert mcnamara who was not overtly political, but a registered republican. the secretary of the treasury, republican. so we actually may show about lot of his advisers were actually very centrist. he was not getting left-leaning partisan people around him when he was making these very important decisions. >> host: we have just a couple minutes left. one last question about the tapes. you dedicated many years of your life to the university of virginia miller center affairs. talked both about the value of these tapes, but also about the potential pitfalls because you rely heavily and some have said because the tapes are so wonderful that we can focus too much on them and there might be a danger to that. >> host: as you point out come at the university of virginia we've been working o